Two leases in Southern Texas are being combined to form the South End Unit.

Lease	WI	RI	Acreage Contributed	Estimated Net Recoverable bbls
Lease 1	100% Sunlight Co.	1/9 George Harris, 1/6 Betty Brown	500 acres	200,000 bbls
Lease 2	70% Crescent Ltd, 30% Forest Inc	1/4 Susan White	300 acres	300,000 bbls

Requirement:
 a. Calculate the participation factors for each party based on the acreage contributed.
 b. Calculate the participation factors for each party based on the net recoverable barrels contributed.
 c. Calculate the participation factors for each party assuming the participation factors are based on the acreage contributed weighted 50% and the net recoverable barrels weighted 50%.